Vulnerability CVE-2020-14346


Published: 2020-09-15

Description:
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
X.org -> Xorg-server 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=1862246
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
https://usn.ubuntu.com/4488-2/

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